Smile Education Abacus Learner Slatted (100 Beads) 2-Colour (12-Pieces)

Sold as a set of 12 Abaci. Each 2-colour abacus has 100-beads and is one of the best manipulatives for explaining tens and ones or 2-digit place value and for learning to add, minus, multiply and divide. Each bead has a value of 1. Ideal for preschoolers through to second graders. The 2-colours enable easy recognition of 6,7,8 etc without counting.